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Shear resistance and design of stainless steel plate girders in fire
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Kucukler, Merih (2023) Shear resistance and design of stainless steel plate girders in fire. Engineering Structures, 276 (1). 115331. doi:10.1016/j.engstruct.2022.115331 ISSN 0141-0296.
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Official URL: https://doi.org/10.1016/j.engstruct.2022.115331
Abstract
In this paper, the shear resistance and design of stainless steel plate girders at elevated temperatures are investigated. A broad range of parameters influencing the structural response of stainless steel plate girders in fire are taken into account, considering (i) austenitic and duplex stainless steel grades, (ii) rigid and non-rigid end posts, (iii) different aspect ratios for the unstiffened portions of the plate girders, (iv) various web slendernesses and (v) different elevated temperature levels. The influence of these parameters on the behaviour of stainless steel plate girders at elevated temperatures is considered. Currently, there is an absence of specific design rules on the fire design of stainless steel plate girders in the European structural steel fire design standard EN 1993-1-2. Considering this, an accuracy assessment of the room temperature stainless steel plate girder design recommendations of the European structural stainless steel design standard EN 1993-1-4 applied with the elevated temperature material properties of stainless steel is performed. The results indicate that this approach leads to unsafe and scattered ultimate strength estimations for stainless steel plate girders in fire. New fire design recommendations for stainless steel plate girders that are in accordance with the existing design provisions of EN 1993-1-2 and EN 1993-1-4 are proposed. The accuracy and safety of the proposed new design recommendations are comprehensively verified against the results from nonlinear finite element modelling.
Item Type: | Journal Article | ||||||||
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Subjects: | T Technology > TA Engineering (General). Civil engineering (General) | ||||||||
Divisions: | Faculty of Science, Engineering and Medicine > Engineering > Engineering | ||||||||
Library of Congress Subject Headings (LCSH): | Stainless steel -- Structure, Materials at high temperatures, Plates (Engineering), Residual stresses, Finite element method, Building, Iron and steel, Building materials | ||||||||
Journal or Publication Title: | Engineering Structures | ||||||||
Publisher: | Elsevier Science Ltd. | ||||||||
ISSN: | 0141-0296 | ||||||||
Official Date: | 1 February 2023 | ||||||||
Dates: |
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Volume: | 276 | ||||||||
Number: | 1 | ||||||||
Article Number: | 115331 | ||||||||
DOI: | 10.1016/j.engstruct.2022.115331 | ||||||||
Status: | Peer Reviewed | ||||||||
Publication Status: | Published | ||||||||
Access rights to Published version: | Open Access (Creative Commons) | ||||||||
Date of first compliant deposit: | 7 December 2022 | ||||||||
Date of first compliant Open Access: | 7 December 2022 | ||||||||
RIOXX Funder/Project Grant: |
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